private void Update()
{
if (!IsChartInitialized)
{
return;
}
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = (Value - From) / (To - From);
var t = 0d;
if (double.IsNaN(completed) || double.IsInfinity(completed))
{
completed = 0;
}
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Uses360Mode ? 360 : 180;
if (!_isCallBack && Uses360Mode)
{
Grid.SetRow(Min, 0);
Grid.SetRow(Max, 0);
Grid.SetRow(LeftLabel, 1);
Grid.SetRow(RightLabel, 1);
//LeftLabel.UpdateLayout();
//RightLabel.UpdateLayout();
GridLeft.Children.Remove(GridLeftBoarder);
GridLeftBoarder = new Border
{
BorderThickness = new Thickness(1, 0, 0, 0),
BorderBrush = _titleColor
};
GridLeft.Children.Add(GridLeftBoarder);
Grid.SetRow(GridLeftBoarder, 1);
GridRight.Children.Remove(GridRightBoarder);
Panel.SetZIndex(GridLeftBoarder, 1);
Canvas.SetLeft(GridLeftBoarder, ActualWidth / 2);
_isCallBack = true;
}
if (!Uses360Mode)
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.UpdateLayout();
RightLabel.UpdateLayout();
//LeftLabel.Visibility = LabelsVisibility;
GridLeft.Visibility = LabelsVisibility;
//RightLabel.Visibility = LabelsVisibility;
GridRight.Visibility = LabelsVisibility;
t = LeftLabel.ActualHeight;
if (Icon != null)
{
Icon.Visibility = Visibility.Hidden;
}
}
else
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.UpdateLayout();
RightLabel.UpdateLayout();
GridLeft.Visibility = LabelsVisibility;
GridRight.Visibility = LabelsVisibility;
//LeftLabel.Visibility = Visibility.Hidden;
//RightLabel.Visibility = Visibility.Hidden;
//
t = GridLeft.ActualHeight;
if (Icon != null)
{
Icon.Visibility = Visibility.Visible;
}
}
double r, top;
if (Uses360Mode)
{
//r = ActualWidth > ActualHeight ? ActualHeight : ActualWidth;
//r = r / 2 - t; //r / 2 - 2 * t;
r = ActualWidth > ActualHeight ? ActualHeight / 2 - t : ActualWidth / 2;
top = ActualHeight / 2;
}
else
{
r = ActualWidth;
if (ActualWidth > ActualHeight * 2)
{
r = ActualHeight * 2;
}
else
{
t = 0;
}
//r = r / 2 - 2 * t;
r = r / 2;
top = ActualHeight / 2 + r / 2;
}
if (r < 0)
{
r = 1;
}
PieBack.Radius = r;
PieBack.InnerRadius = InnerRadius ?? r * .8;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius * 0.96;
Pie.InnerRadius = PieBack.InnerRadius * 1.06;
Pie.RotationAngle = PieBack.RotationAngle;
Canvas.SetLeft(PieBack, ActualWidth / 2);
Canvas.SetTop(PieBack, top);
Canvas.SetLeft(Pie, ActualWidth / 2);
Canvas.SetTop(Pie, top);
//Canvas.SetTop(LeftLabel, top);
//Canvas.SetTop(RightLabel, top);
//Canvas.SetRight(LeftLabel, ActualWidth / 2 + ( r + PieBack.InnerRadius ) / 2 - LeftLabel.ActualWidth / 2);
//Canvas.SetRight(RightLabel, ActualWidth / 2 - ( r + PieBack.InnerRadius ) / 2 - RightLabel.ActualWidth / 2);
MeasureTextBlock.FontSize = HighFontSize ?? Pie.InnerRadius * .4;
if (Uses360Mode)
{
MeasureTextBlock.FontSize = Pie.InnerRadius * .6;
}
MeasureTextBlock.Text = (LabelFormatter ?? defFormatter)(Value);
if (FontColor != null)
{
MeasureTextBlock.Foreground = FontColor;
}
MeasureTextBlock.UpdateLayout();
double ratio = Uses360Mode ? .3 : .4;
MeasureTextBlockUnit.Text = (Uses360Mode ? "" : " ") + GaugeUnit;
MeasureTextBlockUnit.FontSize = MeasureTextBlock.FontSize * ratio;
MeasureTextBlockUnit.UpdateLayout();
Title.Text = GaugeTitle;
Title.FontSize = MeasureTextBlock.FontSize * ratio;
Title.UpdateLayout();
//LeftLabel.FontSize = MeasureTextBlock.FontSize * ratio;
//RightLabel.FontSize = MeasureTextBlock.FontSize * ratio;
//LeftLabel.UpdateLayout();
//RightLabel.UpdateLayout();
if (Uses360Mode)
{
double top360 = top - r - GridLeft.ActualHeight; //top - Gridleft.ActualHeight + ( r + PieBack.InnerRadius ) / 2;
Canvas.SetTop(GridLeft, top360);
Canvas.SetTop(GridRight, top360);
Canvas.SetLeft(GridRight, (ActualWidth / 2) - GridRight.ActualWidth);
Canvas.SetLeft(GridLeft, ActualWidth / 2);
if (IconSource != null)
{
if (Icon == null)
{
Icon = new Image
{
Source = IconSource
};
Icon.UpdateLayout();
Canvas.Children.Add(Icon);
}
Icon.Width = Icon.Height = Pie.InnerRadius * .5;
Canvas.SetTop(Icon, top - PieBack.InnerRadius * 0.9);
Canvas.SetLeft(Icon, (ActualWidth - Icon.Width) / 2);
Icon.UpdateLayout();
}
}
else
{
LeftLabel.FontSize = Min.FontSize = MeasureTextBlock.FontSize * ratio * 0.6;
Min.UpdateLayout();
LeftLabel.UpdateLayout();
Canvas.SetTop(GridLeft, top - GridLeft.ActualHeight);
Canvas.SetLeft(GridLeft, ActualWidth / 2 - PieBack.InnerRadius);
RightLabel.FontSize = Max.FontSize = MeasureTextBlock.FontSize * ratio * 0.6;
Max.UpdateLayout();
RightLabel.UpdateLayout();
Canvas.SetTop(GridRight, top - GridRight.ActualHeight);
Canvas.SetLeft(GridRight, ActualWidth / 2 + PieBack.InnerRadius - GridRight.ActualWidth);
}
GridLeft.UpdateLayout();
GridRight.UpdateLayout();
//August Lee
if (Uses360Mode)
{
Canvas.SetTop(MeasureTextBlock, top - MeasureTextBlock.ActualHeight * .5);
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2);
Canvas.SetTop(MeasureTextBlockUnit, top + (MeasureTextBlock.ActualHeight) * .5);
Canvas.SetLeft(MeasureTextBlockUnit, ActualWidth / 2 - MeasureTextBlockUnit.ActualWidth / 2);
Canvas.SetTop(Title, top + Title.ActualHeight + MeasureTextBlock.ActualHeight / 2);
Canvas.SetLeft(Title, ActualWidth / 2 - Title.ActualWidth / 2);
}
else
{
Canvas.SetTop(MeasureTextBlock, top - (MeasureTextBlock.ActualHeight * 1.5));
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2 - MeasureTextBlockUnit.ActualWidth / 2);
Canvas.SetTop(MeasureTextBlockUnit, top - (MeasureTextBlock.ActualHeight * 0.5 + MeasureTextBlockUnit.ActualHeight * 1.2));
Canvas.SetLeft(MeasureTextBlockUnit, ActualWidth / 2 + MeasureTextBlock.ActualWidth / 2 - MeasureTextBlockUnit.ActualWidth / 2);
Canvas.SetTop(Title, top - Title.ActualHeight);
Canvas.SetLeft(Title, ActualWidth / 2 - Title.ActualWidth / 2);
}
var interpolatedColor = new Color
{
R = LinearInterpolation(FromColor.R, ToColor.R),
G = LinearInterpolation(FromColor.G, ToColor.G),
B = LinearInterpolation(FromColor.B, ToColor.B),
A = LinearInterpolation(FromColor.A, ToColor.A)
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(FromColor);
Pie.WedgeAngle = 0;
}
if (DisableAnimations)
{
Pie.WedgeAngle = completed * angle;
}
else
{
Pie.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(completed * angle, AnimationsSpeed));
}
if (GaugeActiveFill == null)
{
((SolidColorBrush)Pie.Fill).BeginAnimation(SolidColorBrush.ColorProperty,
new ColorAnimation(interpolatedColor, AnimationsSpeed));
}
else
{
Pie.Fill = GaugeActiveFill;
}
IsNew = false;
}
private void Update()
{
if (!IsChartInitialized)
{
return;
}
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = (Value - From) / (To - From);
var t = 0d;
if (double.IsNaN(completed) || double.IsInfinity(completed))
{
completed = 0;
}
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Wedge > 360 ? 360 : (Wedge < 0 ? 0 : Wedge);
var fromAlpha = (360 - Wedge) * .5;
var toAlpha = 360 - fromAlpha;
LeftLabel.Visibility = Visibility.Hidden;
RightLabel.Visibility = Visibility.Hidden;
double r, top;
r = ActualWidth > ActualHeight ? ActualHeight : ActualWidth;
r = r / 2 - 2 * t;
top = ActualHeight / 2;
if (r < 0)
{
r = 1;
}
PieBack.Radius = r;
PieBack.InnerRadius = InnerRadius ?? r * .6;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius;
Pie.InnerRadius = PieBack.InnerRadius;
Pie.RotationAngle = PieBack.RotationAngle;
Canvas.SetLeft(PieBack, ActualWidth / 2);
Canvas.SetTop(PieBack, top);
Canvas.SetLeft(Pie, ActualWidth / 2);
Canvas.SetTop(Pie, top);
Canvas.SetTop(LeftLabel, top);
Canvas.SetTop(RightLabel, top);
Canvas.SetRight(LeftLabel, ActualWidth / 2 + (r + PieBack.InnerRadius) / 2 - LeftLabel.ActualWidth / 2);
Canvas.SetRight(RightLabel, ActualWidth / 2 - (r + PieBack.InnerRadius) / 2 - RightLabel.ActualWidth / 2);
MeasureTextBlock.FontSize = HighFontSize ?? Pie.InnerRadius * .4;
MeasureTextBlock.Text = (Value / 100).ToString("P");
MeasureTextBlock.SetCurrentValue(ForegroundProperty, GaugeActiveFill);
MeasureTextBlock.UpdateLayout();
Canvas.SetTop(MeasureTextBlock, top * 2 - MeasureTextBlock.ActualHeight * 1.3);
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2);
var interpolatedColor = new Color
{
R = LinearInterpolation(FromColor.R, ToColor.R),
G = LinearInterpolation(FromColor.G, ToColor.G),
B = LinearInterpolation(FromColor.B, ToColor.B),
A = LinearInterpolation(FromColor.A, ToColor.A)
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(FromColor);
Pie.WedgeAngle = 0;
}
if (DisableAnimations)
{
Pie.WedgeAngle = completed * angle;
}
else
{
Pie.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(completed * angle, AnimationsSpeed));
}
var d = ActualWidth < ActualHeight ? ActualWidth : ActualHeight;
Stick.Height = d * .5 * .8;
Stick.Width = Stick.Height * .2;
Canvas.SetLeft(Stick, ActualWidth * .5 - Stick.Width * .5);
Canvas.SetTop(Stick, ActualHeight * .5 - Stick.Height * .9);
var ticksHi = d * .35;
var ticksHj = d * .3;
var labelsHj = d * .3;
#region 画Tick刻度
var ts = double.IsNaN(TicksStep) ? DecideInterval((To - From) / 5) : TicksStep;
if (ts / (From - To) > 300)
{
throw new InvalidOperationException("TicksStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
}
for (var i = From; i <= To; i += ts)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, From, To, i) + 90;
var tick = new Line
{
X1 = ActualWidth * .5 + ticksHi * Math.Cos(alpha * Math.PI / 180),
X2 = ActualWidth * .5 + ticksHj * Math.Cos(alpha * Math.PI / 180),
Y1 = ActualHeight * .5 + ticksHi * Math.Sin(alpha * Math.PI / 180),
Y2 = ActualHeight * .5 + ticksHj * Math.Sin(alpha * Math.PI / 180)
};
Canvas.Children.Add(tick);
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(TicksForegroundProperty), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this
});
}
#endregion
#region 画Lable刻度
var ls = double.IsNaN(LabelsStep) ? DecideInterval((To - From) / 5) : LabelsStep;
if (ls / (From - To) > 300)
{
throw new InvalidOperationException("LabelsStep property is too small compared with the range in " +
"the gauge, to avoid performance issues, please increase it.");
}
for (var i = From; i <= To; i += ls)
{
var alpha = LinearInterpolation(fromAlpha, toAlpha, From, To, i) + 90;
var tick = new Line
{
X1 = ActualWidth * .5 + ticksHi * Math.Cos(alpha * Math.PI / 180),
X2 = ActualWidth * .5 + labelsHj * Math.Cos(alpha * Math.PI / 180),
Y1 = ActualHeight * .5 + ticksHi * Math.Sin(alpha * Math.PI / 180),
Y2 = ActualHeight * .5 + labelsHj * Math.Sin(alpha * Math.PI / 180)
};
Canvas.Children.Add(tick);
var label = new TextBlock
{
Text = (LabelFormatter ?? defFormatter)(i)
};
Canvas.Children.Add(label);
label.UpdateLayout();
Canvas.SetLeft(label, alpha < 270
? tick.X2
: (Math.Abs(alpha - 270) < 4
? tick.X2 - label.ActualWidth * .5
: tick.X2 - label.ActualWidth));
Canvas.SetTop(label, tick.Y2);
tick.SetBinding(Shape.StrokeProperty,
new Binding {
Path = new PropertyPath(TicksForegroundProperty), Source = this
});
tick.SetBinding(Shape.StrokeThicknessProperty,
new Binding {
Path = new PropertyPath(TicksStrokeThicknessProperty), Source = this
});
}
#endregion
MoveStick();
if (GaugeActiveFill == null)
{
((SolidColorBrush)Pie.Fill).BeginAnimation(SolidColorBrush.ColorProperty,
new ColorAnimation(interpolatedColor, AnimationsSpeed));
}
else
{
Pie.Fill = GaugeActiveFill;
}
IsNew = false;
}
private void Update()
{
if (!IsChartInitialized)
{
return;
}
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = (Value - From) / (To - From);
var t = 0d;
if (double.IsNaN(completed) || double.IsInfinity(completed))
{
completed = 0;
}
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Uses360Mode ? 360 : 180;
if (!Uses360Mode)
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.UpdateLayout();
RightLabel.UpdateLayout();
LeftLabel.Visibility = LabelsVisibility;
RightLabel.Visibility = LabelsVisibility;
t = LeftLabel.ActualHeight;
}
else
{
LeftLabel.Visibility = Visibility.Hidden;
RightLabel.Visibility = Visibility.Hidden;
}
double r, top;
if (Uses360Mode)
{
r = ActualWidth > ActualHeight ? ActualHeight : ActualWidth;
r = r / 2 - 2 * t;
top = ActualHeight / 2;
}
else
{
r = ActualWidth;
if (ActualWidth > ActualHeight * 2)
{
r = ActualHeight * 2;
}
else
{
t = 0;
}
r = r / 2 - 2 * t;
top = ActualHeight / 2 + r / 2;
}
if (r < 0)
{
r = 1;
}
PieBack.Radius = r;
PieBack.InnerRadius = InnerRadius ?? r * .6;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius;
Pie.InnerRadius = PieBack.InnerRadius;
Pie.RotationAngle = PieBack.RotationAngle;
Canvas.SetLeft(PieBack, ActualWidth / 2);
Canvas.SetTop(PieBack, top);
Canvas.SetLeft(Pie, ActualWidth / 2);
Canvas.SetTop(Pie, top);
Canvas.SetTop(LeftLabel, top);
Canvas.SetTop(RightLabel, top);
Canvas.SetRight(LeftLabel, ActualWidth / 2 + (r + PieBack.InnerRadius) / 2 - LeftLabel.ActualWidth / 2);
Canvas.SetRight(RightLabel, ActualWidth / 2 - (r + PieBack.InnerRadius) / 2 - RightLabel.ActualWidth / 2);
MeasureTextBlock.FontSize = HighFontSize ?? Pie.InnerRadius * .4;
MeasureTextBlock.Text = (LabelFormatter ?? defFormatter)(Value);
MeasureTextBlock.UpdateLayout();
Canvas.SetTop(MeasureTextBlock, top - MeasureTextBlock.ActualHeight * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2);
var interpolatedColor = new Color
{
R = LinearInterpolation(FromColor.R, ToColor.R),
G = LinearInterpolation(FromColor.G, ToColor.G),
B = LinearInterpolation(FromColor.B, ToColor.B),
A = LinearInterpolation(FromColor.A, ToColor.A)
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(FromColor);
Pie.WedgeAngle = 0;
}
if (DisableAnimations)
{
Pie.WedgeAngle = completed * angle;
}
else
{
Pie.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(completed * angle, AnimationsSpeed));
}
if (GaugeActiveFill == null)
{
((SolidColorBrush)Pie.Fill).BeginAnimation(SolidColorBrush.ColorProperty,
new ColorAnimation(interpolatedColor, AnimationsSpeed));
}
else
{
Pie.Fill = GaugeActiveFill;
}
IsNew = false;
}
private void Update()
{
if (!IsChartInitialized)
{
return;
}
var ms = new Size(double.PositiveInfinity, double.PositiveInfinity);
Measure(ms);
Canvas.Width = Width;
Canvas.Height = Height;
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = (Value - From) / (To - From);
var t = 0d;
if (double.IsNaN(completed) || double.IsInfinity(completed))
{
completed = 0;
}
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Uses360Mode ? 360 : 180;
if (!Uses360Mode)
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.Visibility = LabelsVisibility;
RightLabel.Visibility = LabelsVisibility;
t = LeftLabel.ActualHeight;
}
else
{
LeftLabel.Visibility = Visibility.Collapsed;
RightLabel.Visibility = Visibility.Collapsed;
}
double r, top;
if (Uses360Mode)
{
r = ActualWidth > ActualHeight ? ActualHeight: ActualWidth;
r = r / 2 - 2 * t;
top = ActualHeight / 2;
}
else
{
r = ActualWidth;
if (ActualWidth > ActualHeight * 2)
{
r = ActualHeight * 2;
}
else
{
t = 0;
}
r = r / 2 - 2 * t;
top = ActualHeight / 2 + r / 2;
}
if (r < 0)
{
r = 1;
}
PieBack.Height = Canvas.ActualHeight;
PieBack.Width = Canvas.ActualWidth;
Pie.Height = Canvas.ActualHeight;
Pie.Width = Canvas.ActualWidth;
PieBack.Radius = r;
PieBack.InnerRadius = double.IsNaN(InnerRadius) ? r * .6 : InnerRadius;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius;
Pie.InnerRadius = PieBack.InnerRadius;
Pie.RotationAngle = PieBack.RotationAngle;
Pie.YOffset = top - ActualHeight / 2;
PieBack.YOffset = top - ActualHeight / 2;
Canvas.SetTop(LeftLabel, top);
Canvas.SetTop(RightLabel, top);
LeftLabel.Measure(ms);
RightLabel.Measure(ms);
Canvas.SetLeft(LeftLabel,
Canvas.ActualWidth * .5 -
(Pie.InnerRadius + (Pie.Radius - Pie.InnerRadius) * .5 + LeftLabel.DesiredSize.Width * .5));
Canvas.SetLeft(RightLabel,
Canvas.ActualWidth * .5 +
(Pie.InnerRadius + (Pie.Radius - Pie.InnerRadius) * .5 - RightLabel.DesiredSize.Width * .5));
MeasureTextBlock.FontSize = double.IsNaN(HighFontSize) ? Pie.InnerRadius * .4 : HighFontSize;
MeasureTextBlock.Text = (LabelFormatter ?? defFormatter)(Value);
MeasureTextBlock.Measure(ms);
Canvas.SetTop(MeasureTextBlock, top - MeasureTextBlock.DesiredSize.Height * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.DesiredSize.Width / 2);
var interpolatedColor = new Color
{
R = LinearInterpolation(FromColor.R, ToColor.R),
G = LinearInterpolation(FromColor.G, ToColor.G),
B = LinearInterpolation(FromColor.B, ToColor.B),
A = LinearInterpolation(FromColor.A, ToColor.A)
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(FromColor);
Pie.WedgeAngle = 0;
}
Pie.BeginDoubleAnimation(nameof(PieSlice.WedgeAngle), completed * angle, AnimationsSpeed);
if (GaugeActiveFill == null)
{
((SolidColorBrush)Pie.Fill).BeginColorAnimation(nameof(SolidColorBrush.Color), interpolatedColor, AnimationsSpeed);
}
else
{
Pie.Fill = GaugeActiveFill;
}
IsNew = false;
}
